About: http://webisa.webdatacommons.org/251139283

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Also very particularly preferred, however, are polymer films having a thickness of 15 to 50 ??m, in particular 20 to 40 ??m, and very particularly preferably 25 to 30 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es